// 添加额外的 css 文件

var sty = `
#pageIoading {
    top: 0;
    left: 0;
    z-index: 2000;
    position: absolute;
    height: 100vh;
    width: 100vw;
    background-color: #fff;
    transition: all 0.3s;
  }

  #load {
    position: absolute;
    width: 600px;
    height: 36px;
    left: 50%;
    top: 40%;
    margin-left: -300px;
    overflow: visible;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
  }

  #load div {
    position: absolute;
    width: 20px;
    height: 36px;
    opacity: 0;
    font-family: Helvetica, Arial, sans-serif;
    animation: move 2s linear infinite;
    -o-animation: move 2s linear infinite;
    -moz-animation: move 2s linear infinite;
    -webkit-animation: move 2s linear infinite;
    transform: rotate(180deg);
    -o-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    color: #563DEE;
  }

  #load div:nth-child(2) {
    animation-delay: 0.2s;
    -o-animation-delay: 0.2s;
    -moz-animation-delay: 0.2s;
    -webkit-animation-delay: 0.2s;
  }

  #load div:nth-child(3) {
    animation-delay: 0.4s;
    -o-animation-delay: 0.4s;
    -webkit-animation-delay: 0.4s;
    -webkit-animation-delay: 0.4s;
  }

  #load div:nth-child(4) {
    animation-delay: 0.6s;
    -o-animation-delay: 0.6s;
    -moz-animation-delay: 0.6s;
    -webkit-animation-delay: 0.6s;
  }

  #load div:nth-child(5) {
    animation-delay: 0.8s;
    -o-animation-delay: 0.8s;
    -moz-animation-delay: 0.8s;
    -webkit-animation-delay: 0.8s;
  }

  #load div:nth-child(6) {
    animation-delay: 1s;
    -o-animation-delay: 1s;
    -moz-animation-delay: 1s;
    -webkit-animation-delay: 1s;
  }

  #load div:nth-child(7) {
    animation-delay: 1.2s;
    -o-animation-delay: 1.2s;
    -moz-animation-delay: 1.2s;
    -webkit-animation-delay: 1.2s;
  }

  @keyframes move {
    0% {
      left: 0;
      opacity: 0;
    }

    35% {
      left: 41%;
      -moz-transform: rotate(0deg);
      -webkit-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    65% {
      left: 59%;
      -moz-transform: rotate(0deg);
      -webkit-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    100% {
      left: 100%;
      -moz-transform: rotate(-180deg);
      -webkit-transform: rotate(-180deg);
      -o-transform: rotate(-180deg);
      transform: rotate(-180deg);
      opacity: 0;
    }
  }

  @-moz-keyframes move {
    0% {
      left: 0;
      opacity: 0;
    }

    35% {
      left: 41%;
      -moz-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    65% {
      left: 59%;
      -moz-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    100% {
      left: 100%;
      -moz-transform: rotate(-180deg);
      transform: rotate(-180deg);
      opacity: 0;
    }
  }

  @-webkit-keyframes move {
    0% {
      left: 0;
      opacity: 0;
    }

    35% {
      left: 41%;
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    65% {
      left: 59%;
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    100% {
      left: 100%;
      -webkit-transform: rotate(-180deg);
      transform: rotate(-180deg);
      opacity: 0;
    }
  }

  @-o-keyframes move {
    0% {
      left: 0;
      opacity: 0;
    }

    35% {
      left: 41%;
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    65% {
      left: 59%;
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
      opacity: 1;
    }

    100% {
      left: 100%;
      -o-transform: rotate(-180deg);
      transform: rotate(-180deg);
      opacity: 0;
    }
  }
`
export default (env)=>{
    return [
        sty,
    ]
}